Hol a hiba ebben a kódban?

class Exception

{

protected:

DEFAULT_ERRORMESSAGE_TYPE errorMsg;

SYSTEMTIME timeStamp; //15. sor

public:

Exception();

Exception(DEFAULT_ERRORMESSAGE_TYPE);

operator DEFAULT_ERRORMESSAGE_TYPE ();

operator SYSTEMTIME (); //21. sor

Exception& operator << (DEFAULT_ERRORMESSAGE_TYPE);

};

A hibaüzenetek:

(15): error C2146: syntax error : missing ';' before identifier 'timeStamp'

(15): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

(15): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

(21): error C2833: 'operator SYSTEMTIME' is not a recognized operator or type

(21): error C2059: syntax error : 'newline'

(21): error C2238: unexpected token(s) preceding ';'